15 lines · c
1/* SPDX-License-Identifier: (GPL-2.0 OR MIT) */2 3#ifndef __DT_BINDINGS_DMA_DW_DMAC_H__4#define __DT_BINDINGS_DMA_DW_DMAC_H__5 6/*7 * Protection Control bits provide protection against illegal transactions.8 * The protection bits[0:2] are one-to-one mapped to AHB HPROT[3:1] signals.9 */10#define DW_DMAC_HPROT1_PRIVILEGED_MODE (1 << 0) /* Privileged Mode */11#define DW_DMAC_HPROT2_BUFFERABLE (1 << 1) /* DMA is bufferable */12#define DW_DMAC_HPROT3_CACHEABLE (1 << 2) /* DMA is cacheable */13 14#endif /* __DT_BINDINGS_DMA_DW_DMAC_H__ */15